Question No:1

Which of the following is a variety of rice?

[A] Atlas-66
[B] Himgiri
[C] Sonalika
[D] Rama



Question No:2

Which of the following diseases is caused by bacteria?

[A] Red rot of sugarcane
[B] Powdery mildew
[C] Black rot of crucifer
[D] Late blight of potato



Question No:3

In biofortification the objective is to improve quality as well as content of

[A] Micronutrient
[B] Vitamin
[C] Oil
[D] All of the above



Question No:4

Objectives of animal breeding are

[A] Increasing the quantity of yield
[B] Improving the quality of the product
[C] Resistance to various diseases
[D] All of the above



Question No:5

The father of Green Revolution is

[A] Norman E. Burlough
[B] Panchanan Maheshwari
[C] Dr. Verghese Kurien
[D] M.S. Swaminathan



Question No:6

Which are the advantages of SCP?

[A] Rich in high quality protein and poor in fat content
[B] Production is based on industrial effluents so helps to minimize environmental pollution
[C] It can be produced in laboratories throughout the year.
[D] All of the above



Question No:7

Disease resistance in plants can be induced by

[A] Mutation
[B] Proper manuring
[C] Breeding with wild relatives
[D] Early sowing



Question No:8

Variations in plants produced by tissue culture is known as

[A] Androgenic variation
[B] Somaclonal variation
[C] Cybridization
[D] Induced variation



Question No:9

Green revolution has been possible due to development of high yielding variety of

[A] Wheat and rice
[B] Apples and pears
[C] Jowar and bajra
[D] Sugarcane and grams



Question No:10

Somatic hybridization is a technique of

[A] Natural breeding
[B] Natural pollination
[C] Artificial pollination
[D] Somatic cell hybridization



Question No:11

Somaclonal variations appear in plants

[A] Growing in polluted soil or water
[B] Exposed to gamma rays
[C] Raised in tissue culture
[D] Transformed by recombinant DNA technology



Question No:12

In crop improvement programme, virus free clones can be obtained through

[A] Embryo culture
[B] Shoot apex culture
[C] Grafting
[D] Hybridization



Question No:13

Pollen grains of a plant, where n = , are cultured to get callus by tissue culture method. What would be the number of chromosomes in the cells of the callus?

[A] 14
[B] 56
[C] 28
[D] 21



Question No:14

By which of the following methods, new and better varieties of plants can be formed?

[A] Selection
[B] Grafting
[C] Hybridization
[D] Hybridization followed by selection